Borderline
Part of speech: noun
Definition: A boundary or accepted division; a border.
Part of speech: adjective
Definition: nearly; not clearly on one side or the other of a border or boundary, ambiguous. Showing bad taste.
Example sentence: He was a psychotic. He was a borderline psychotic. He was a terrific, sensational actor, with a magical screen presence, you couldn't keep your eyes off him, but he was paranoid. He was sure everybody was out to get him.
Minimal
Part of speech: adjective
Definition: The smallest possible amount, quantity, or degree.characterised by the use of simple form or structures.characterised by the repetition and gradual alteration of short phrases.
Example sentence: Buddy Holly and the early rock 'n' roll was no lighter than the way I play. It's very minimal.